551130624 has 240 divisors, whose sum is σ = 1769511744. Its totient is φ = 163737600.

The previous prime is 551130611. The next prime is 551130637. The reversal of 551130624 is 426031155.

551130624 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 30 + 624 = 666.

It is an interprime number because it is at equal distance from previous prime (551130611) and next prime (551130637).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4207039 + ... + 4207169.

Almost surely, 2^551130624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551130624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884755872).

551130624 is an abundant number, since it is smaller than the sum of its proper divisors (1218381120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551130624 is a wasteful number, since it uses less digits than its factorization.

551130624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 551130624 is about 23476.1714084729. The cubic root of 551130624 is about 819.8823071221.

Adding to 551130624 its reverse (426031155), we get a palindrome (977161779).

The spelling of 551130624 in words is "five hundred fifty-one million, one hundred thirty thousand, six hundred twenty-four".